Consolidated Balance Sheet (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 1,260	$ 1,543
Receivables from customers, less allowances of $41 in 2011 and $45 in 2010	2,083	1,565
Other receivables	365	326
Inventories (F)	3,201	2,562
Prepaid expenses and other current assets	959	873
Total current assets	7,868	6,869
Properties, plants, and equipment	38,939	37,446
Less: accumulated depreciation, depletion, and amortization	18,216	17,285
Properties, plants, and equipment, net	20,723	20,161
Goodwill	5,329	5,119
Investments	1,596	1,340
Deferred income taxes	3,219	3,184
Other noncurrent assets	2,625	2,521
Assets held for sale (C)	106	99
Total assets	41,466	39,293
LIABILITIES
Short-term borrowings	65	92
Accounts payable, trade	2,605	2,322
Accrued compensation and retirement costs	915	929
Taxes, including income taxes	506	461
Other current liabilities	1,199	1,201
Long-term debt due within one year	510	231
Total current liabilities	5,800	5,236
Long-term debt, less amount due within one year	8,773	8,842
Accrued pension benefits (O)	2,217	2,923
Accrued other postretirement benefits	2,609	2,615
Other noncurrent liabilities and deferred credits	2,669	2,560
Liabilities of operations held for sale (C)	29	31
Total liabilities	22,097	22,207
COMMITMENTS AND CONTINGENCIES (H)
EQUITY
Preferred stock	55	55
Common stock (K)	1,178	1,141
Additional capital (K)	7,522	7,087
Retained earnings	11,714	11,149
Treasury stock, at cost	(3,959)	(4,146)
Accumulated other comprehensive loss	(858)	(1,675)
Total Alcoa shareholders' equity	15,652	13,611
Noncontrolling interests	3,717	3,475
Total equity	19,369	17,086
Total liabilities and equity	$ 41,466	$ 39,293